IR – wide flange (ASTM A6 W)
IR 530x219
IR designation built from the metric W; cross-check with the IMCA Manual.
Dimensions
- Depthd
- 561mm
- Flange widthbf
- 318mm
- Web thicknesstw
- 18.3mm
- Flange thicknesstf
- 29.2mm
- Distance k (design)kdes
- 41.9mm
- Distance k (detailing)kdet
- 61.9mm
- Distance k1k1
- 39.7mm
- Web clear depthT
- 438mm
- Distance between flange centroidsho
- 533mm
Mass and area
- Mass per lengthm
- 219kg/m
- Cross-sectional areaA
- 27,900mm²
Strong axis x–x
- Moment of inertiaIx
- 1,51010⁶ mm⁴
- Elastic section modulusSx
- 5,39010³ mm³
- Plastic section modulusZx
- 6,11010³ mm³
- Radius of gyrationrx
- 233mm
Weak axis y–y
- Moment of inertiaIy
- 15710⁶ mm⁴
- Elastic section modulusSy
- 98510³ mm³
- Plastic section modulusZy
- 1,52010³ mm³
- Radius of gyrationry
- 74.9mm
Torsion and stability
- Torsional constantJ
- 6,41010³ mm⁴
- Warping constantCw
- 11,00010⁹ mm⁶
- Effective radius of gyrationrts
- 87.9mm
Slenderness ratios
- Flange slendernessbf/2tf
- 5.44
- Web slendernessh/tw
- 26.1